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How Zero Trust Can Protect a PLC That Cannot Authenticate | CUP Focus
A legacy PLC cannot suddenly gain modern identity controls. This CUP Focus explains how identity-aware proxies can mediate access, translate trusted sessions into legacy protocols and restrict which commands reach the controller.
Format: CUP Focus, a self-contained section from the Cybersecurity Under Pressure archive.
Related CUP episodes:
Industrial Identity Security: The Risk in Software-Defined Factories
Zero Trust in Legacy OT: Working With Twenty-Year-Old Systems
Zero Trust in OT: Secure Access Beyond the HMI
Zero Trust for Brownfield OT: Working Within Legacy Constraints
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